[R-sig-Geo] Bug in writeGDAL / create2GDAL?

Rainer M Krug r.m.krug at gmail.com
Fri Aug 5 10:49:07 CEST 2011


Hi

I get an error in writeGDAL(), narrowed down in the call to
tds.out = new("GDALTransientDataset", driver = d.drv, rows = dims[2],
    cols = dims[1], bands = nbands, type = type, options = options,
    fname = fname, handle = NULL)
in create2GDAL.

This error is for me reproducible:
with the attached file, execute:

library(maptools)
library(rgdal)
region <- readAsciiGrid("region.asc.gz")
image(region)
writeGDAL(region, "region.tif")
## RESULT: Error in .local(.Object, ...) : Unable to create dataset

> Sys.info()
                                      sysname
                                      "Linux"
                                      release
                          "2.6.38-10-generic"
                                      version
"#46-Ubuntu SMP Tue Jun 28 15:05:41 UTC 2011"
                                     nodename
                                    "ecolmod"
                                      machine
                                       "i686"
                                        login
                                      "rkrug"
                                         user
                                      "rkrug"

> sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: i686-pc-linux-gnu (32-bit)

locale:
 [1] LC_CTYPE=en_GB.utf8       LC_NUMERIC=C
 [3] LC_TIME=en_GB.utf8        LC_COLLATE=en_GB.utf8
 [5] LC_MONETARY=C             LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_GB.utf8       LC_NAME=C
 [9] LC_ADDRESS=C              LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_GB.utf8 LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] rgdal_0.7-1     maptools_0.8-9  lattice_0.19-30 sp_0.9-84
[5] foreign_0.8-44

loaded via a namespace (and not attached):
[1] grid_2.13.1  tools_2.13.1
>

Cheers,

Rainer

-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology,
UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

Tel :       +33 - (0)9 53 10 27 44
Cell:       +33 - (0)6 85 62 59 98
Fax (F):       +33 - (0)9 58 10 27 44

Fax (D):    +49 - (0)3 21 21 25 22 44

email:      Rainer at krugs.de

Skype:      RMkrug
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